Philodendron rugapetiolatum

Colombian and Ecuadorian wet-forest origin

Philodendron rugapetiolatum occurs from Colombia to Ecuador. Its natural setting is wet tropical forest, where it grows as an aerial-rooting climber.

Protect the textured leaf stalks

Give this climber a broad moss pole or rough plank, but do not press its textured leaf stalks against constantly wet moss.

• Surface care: Allow the upper third to about half of the mix to dry and keep moisture reasonably even while a leaf opens. Bright indirect light and gradual acclimatisation to stronger sun support steady growth.

Warm conditions and moderate to high humidity work best with airflow around the rough leaf stalks. Use an airy bark-based mix and do not set the stem deeper when repotting.

Natural petiole texture, underside colour and signs of stress

Evenly rough, ridged or wrinkled leaf stalks are a normal feature. Reddish, peach or pink colouring on the lower leaf surface can also remain visible on mature foliage.

• A local patch becomes soft or translucent: Check for chilling, saturated roots and decay. Natural texture and pigment remain firm and do not produce an unpleasant smell.
• Fine stippling is difficult to see: Inspect the lower leaf surface with magnification because spider-mite damage can blend into red or purple colouring.
• Climbing leaves become smaller: Review light, root health and attachment to the support before adding fertiliser.

Compare any questionable area with several healthy leaf stalks and leaf undersides before assuming that a repeated texture or colour is damage.

Philodendron rugapetiolatum is toxic to people and pets

• Keep this plant away from children, cats and dogs.
• Its leaves and stems contain insoluble calcium oxalate crystals, which can irritate the mouth, throat, skin and eyes.
• Chewing may cause burning pain, drooling, swelling, vomiting or difficulty swallowing. Contact a veterinarian or medical professional after exposure, especially if swelling or breathing problems occur.

Who first published Philodendron rugapetiolatum, and what does the name mean?

Philodendron combines Greek philein, meaning “to love,” with dendron, meaning “tree.” The epithet combines Latin ruga, a wrinkle, with a petiole-related ending, referring directly to the rugose leaf stalk.

Heinrich Wilhelm Schott established the genus Philodendron in 1829 in Wiener Zeitschrift für Kunst, Literatur, Theater und Mode, volume 3, page 780.

Thomas Bernard Croat and Martha Marcela Mora first described Philodendron rugapetiolatum in 2016 in Aroideana, volume 39, page 210.